Process for forming markings in tubular braided covers for vacuum cleaner tubes



Apnl 15, 1952 E. HAN-DEL 1 2,592,892

PRocEss. FOR FORMING MARKINGS IN TUBULAR BRAIDED COVERS FOR VACUUM CLEANER TUBES Filed Aug. 25, 1949 Emanuel Handg/ INVENTOR.

Patented Apr. 15, 1952 PROCESS FOR FORIVHNG MARKINGS IN TU- BULAR BRAIDED COVERS FOR VACUUM CLEANER TUBES Emanuel Handel, Woodhaven, N. Y.

Application August 25, 1949, Serial No. 112,368

1 Claim.

This invention appertains to a process for forming braided coverings for tubular articles and is particularly directed to a process for forming markings in a braided cover for a vacuum cleaner hose adapted for use with a tank-type, canister-type, or upright type cleaner.

A primary object of this invention is to braid a tubular covering for a hose and to simultaneously braid into the covering, as the covering is being braided, identifying markings or characters, such as letters forming trade names or trade-marks.

Another important object of this invention is to form a braided cover for a tubular hose by means of a conventional circular vertical braiding machine and to simultaneously form in the covering identifying indicia of a suitable character so that the indicia or marking is flush with the surface of the cover and will be of a permanent nature.

Another important object of this invention is to form, in a conventional manner, a covering for vacuum cleaner tubes and to braid into the covering, simultaneously with the braiding of the covering, identifying characters or letters, the

characters or letters being formed of threads of a different hue or color from the threads forming the body of the covering, said threads being selectively exposed at various times and at various points to form the identifying characters or letters and being overlapped by the threads forming the body during the conventional formation of the covering.

These and ancillary objects are attained by this invention, a preferred embodiment of which is illustrated in the accompanying drawings, wherein:

Figure l is a view in perspective of a conventional vertical circular braiding machine, which generally used for forming braided coverings for vacuum cleaner tubes, the machine being slightly modified for adapting the same for use with this novel process of the instant invention;

Figure 2 is a fragmentary elevational view of a covering, braided in accordance with the teaching of this invention and illustrating the identifying characters formed therein, and

Figure 3 is a transverse sectional view taken on the line 3-3 of Figure 2, to illustrate the fact that the identifying markings of coverings are formed flush with the surface of the body of the covering.

Referring now more particularly to the accompanying drawings, the reference numeral l designates a conventional vertical braiding machine.

herein shown as a sixty-four carrier vertical braiding machine as constructed by the B & F Carter 81 Co. Ltd., Bolton, England, which is customarily used for forming woven vacuum cleaner tube coverings, the coverings being generally of a three inch outside diameter. The machine includes a circular open frame l2 supported in a raised horizontal plane by means of vertical standards It, which are adapted to be bolted to the floor or similar support. An annular carrier support It is rotatably mounted on the frame l2 and a plurality of upwardly extending carriers !8 are supported on the ring or support [6, the carriers being vertically reciprocable, so that the threads or strands 26 carried thereby are raised and lowered in relation to one another for the purpose of forming the braid. The threads extend upwardly through a fixed harness collar 22 through which the hose 24 passes, the threads converging around the hose. The hose is fed from a suitable source through guide rollers 26 and similar guide rollers '28, the latter being vertically aligned with the harness collar 22. Suitable means is provided for rotating the ring [6 and for moving the hose 24 and includes a drive shaft 39 which extends through a gear box 32, drive means extending upwardly from the gear box for rotating a reel 34 around which the hose, having the cover braided thereon, is passed. The drum or reel 34 provides the means for moving the hose through the harness 22, a guide roller 36 being provided for receiving the covered hose as it passes through a suitable wrapping machine. Extra carriers 38 are provided and carry threads or strands of a different hue or color from the strands 20, which are braided together to form the body of the covering 5!]. The threads carried by the carriers 38 extend upwardly through the harness collar 22 and the threads 46 are braided together with the threads 20, the threads 153 being selectively exposed to form the various characters or markings in the covering, the foregoing operation being controlled by a conventional design or pattern mechanism 42.

With respect to Figure 2, it is to be noted that the rubber hose 2% is covered with the braided threads or strands 2i identifying letters or characters 24 being formed in the covering. The identifying characters, such as the letters, which form a desired trade-mark or trade name, are braided in the covering, as the covering is braided, so that the characters are flush with the inner and outer surface of the covering. The identifying characters are formed from the strands 4B which are braided with the strands 26 to form the cov- 3 ering. Normally, the strands '20 overlap the strands 40, so that they are not exposed. However, responsive to the operation of design mechanism 42, the carriers 38 are vertically reciprocated to a position overlyin the carriers [8, so that the threads 40 overlie the threads 20 and are, therefore, exposed at certain spaced and predetermined points to form the letters 44.

It is well known that the coverings are provided with identifying indicia, by stencilling or stamping trade names or the like on the covering, after the covering has been braided onto the tube. However, it is to be particularly noted that this invention teaches the method of forming the trade names or trade-marks or similar identifying indicia in the covering by braiding the markings or characters with the braided covering, the markings being braided and formed, as the cover is braided.

Of course, since many other modifications and purposes of this invention will become readily apparent to those skilled in the art upon a perusal of the foregoing description, it is to be understood that certain changes in style, size and components may be effected without a departure from the spirit of the invention and within the scope of the appended claim.

- 4 Having described the invention, what is claimed as new is:

The process of making a covering for a tube comprising the steps of holding the tube and 5 moving the same axially of a braiding machine,

applying strands around the tube to form a braided concentric covering thereon, applying strands of a different hue around the tube and beneath the first mentioned strands, and intermittently 10 applying the second mentioned strands over the first mentioned strands at preselected variable intervals to form a marking integral with and simultaneously with the formation of the covering.

EMANUEL HANDEL.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 664,047 Janssen et al. Dec. 18, 1900 664,064 Thun et a1 Dec. 18, 1900 25 1,093,915 Cobb Apr. 21, 1914 1,117,330 Cobb Nov. 17, 1914 2,253,048 Quindry Aug. 19, 1941 

